引用:
I have three DACs( Denafrips Terminator plus, Holo Audio May L2 and Chord Dave with Sean Jacobs DC4) in use on a rotation basis in my 3 different audio systems. Since Chord Dave has been talked about a lot in the earlier posts so I shall focus more on the Terminator+ and the Holo May which are both capable of going to 32fs (PCM 1411/1536). I have in use 3 Linux servers(carrying my buddy's UKAS Debian OS) and also Taiko extreme server(Window10 OS).The Linux servers are loaded with HQplayer embedded and Taiko extreme with HQplayer 4 desktop and also TAS. I have been using HQplayer for more than 10 years and all along I have been favoring DSD over PCM(for its richer timbre and more musical feeling) until recently. In the past year or so using HQplayer DSD256 with ASDM7EC has been my first pick before the change. The change started after I have acquired the T+ and also the Holo May which are both capable of going to 32fs. Initially I have used HQplayer to real-time upsample to 32fs and using LNS15 noise shaping. The most striking change is there are a lot more details being heard. One can hear the details of different members in the orchestra so much so that it seems that one can now look at the leaves of different trees in the forest rather than just seeing the forest as a whole. The degree is so striking and it is so different from what is heard in 16fs. The only drawback is that it seems to be a little too pinpoint and a slight lack of bloom. But the musical sense is there. No doubt. And then comes the PGGB pre-upsampled 32fs files(using default settings) and all of a sudden the details of 32fs becomes so natural and the response of the orchestra is so unanimous yet you can hear the sounds of different members clearly and with good enough timbre. It seems that suddenly you can get to the best of both worlds. And that gave me the signal to go all the way for PCM. Now the PCM may still be a little more forward but the feeling are excellently conveyed. Everything is so fast so lively and so transparent. DSD would seem a little laid back and occasionally lacks liveliness.
The road actually is not that straight forward and there are quite some tweaks necessary before one can come to a nice ending.
First I must stress that one must do volume matching before you can appreciate the musical feeling of high resolution PCM. Given the quiet background of 32fs one can always turn the volume higher and more details can be heard without feeling sound becoming harsh and too pressing. In general I believe the limit of turning the volume higher is mid range becoming harsh. In 32fs one can tune up the volume by 3dB or so and still not feeling any strain from the sound. That is probably taking advantage of the quiet background.
Second point is I believe that at the source level more detail is the chief concern rather than getting a juicy sound. So to me 32fs is the key to get more detail. One can always tweak your subsequent components or cables to suit your own taste. Or one can also use the options in PGGB to suit your own taste. But if one do it the other way round I am not so sure that one can get back the detail off your juicy sound.
A Summer of PGGB Software
引用:
After testing with Chord Dave I have also changed to DAC to my old Terminator not plus ( Terminator plus is temporarily away in friend's place) with a view to test result with different DAC and also get a glimpse of what PCM 1411.2 can sound. ( I only use the multiple of 44.1 for lighter CPU consumption). The result is basically similar to with Chord Dave but with the more sumptuous bass from Terminator my server seems to take a lead over the extreme HQplayer alone. The attacks are more sumptuous and well supported. The extreme HQ+NAA still leads by a wide margin especially in the flow of music and the cozy feeling. What about PCM1411.2 The sound is in a class of its own. The sound is smooth without edges(which are sometimes evident in poorly executed PCM). The instruments have body and the nuances are clearly revealed. It is not so much as the same as DSD which still gives a more sumptuous body and well harmonized soundstage. But the PCM1411.2 is best described as giving a perfect flow of music. The details are more and the presentation are a bit different from 705.6. You see more of individual instrument's body and can also sense the layering more in the orchestra but you may not be able to feel a block of harmonized sound. Or maybe it is another way to say that you may need to take time to get accustomed to listen to so many detail.
PGGB Offline 的上限是 80 億 taps,PGGB-RT(只有 705.6/768 KHz)也達到 10 億 taps,而 HQ Player 則只有 1,600 萬 taps。